1XGN
METHIONINE AMINOPEPTIDASE FROM HYPERTHERMOPHILE PYROCOCCUS FURIOSUS
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XGM | MONOCLINIC CRYSTAL FORM, PDB ENTRY 1XGM |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | PROTEIN SOLUTION CONTAINING 16 MG/ML PFMAP, 2 MM COCL2 AND 30 MM L-METHIONINE IN 20 MM POTASSIUM ACETATE AT PH4.5 WAS MIXED WITH EQUAL AMOUNT OF RESERVOIR SOLUTION CONTAINING 0.6% PROPANOL AND 1.6% PEG400 IN 0.1 M SODIUM HEPES BUFFER AT PH 7.5, THEN EQUILIBRATED AGAINST RESERVOIR SOLUTION. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.38 | 63.7 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 110.98 | α = 90 |
b = 110.98 | β = 90 |
c = 124.96 | γ = 120 |
Symmetry | |
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Space Group | P 64 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 289 | IMAGE PLATE | RIGAKU | 1996-06-03 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.9 | 50 | 90 | 0.072 | 12.4 | 2.81 | 17502 | 1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.9 | 3.03 | 62.7 | 0.245 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | MONOCLINIC CRYSTAL FORM, PDB ENTRY 1XGM | 2.9 | 15 | 2 | 16774 | 1645 | 87.1 | 0.156 | 0.156 | 0.226 | RANDOM | 37.4 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24.95 |
x_angle_deg | 1.78 |
x_improper_angle_d | 1.58 |
x_bond_d | 0.014 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4624 |
Nucleic Acid Atoms | |
Solvent Atoms | 25 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |